EqualLogic VSM and two Virtual Centre Servers

I have two virtual center farms, Production and Dev. They are both accessing the same Equallogic group.

I have the VSM installed on the production group and it is registered fine showing the production Virtual Centre server.

when I go to VSM Home / Manage and vCenter Servers I see the on registered. But the fact that it is a list implies that I can have more than one registered.

Is if possible to register the 2nd Virtual Center using the same VSM, and if so how?

Or do I have to create a 2nd VSM server dedicated to the 2nd VMware farm

Currently running VSM 4.6.0.1242